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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*/
/** \file
* \ingroup edtransform
*/
#include <stdlib.h>
#include "BLI_math.h"
#include "BLI_string.h"
#include "BKE_context.h"
#include "BKE_unit.h"
#include "DNA_gpencil_types.h"
#include "ED_screen.h"
#include "UI_interface.h"
#include "BLT_translation.h"
#include "transform.h"
#include "transform_convert.h"
#include "transform_snap.h"
#include "transform_mode.h"
/* -------------------------------------------------------------------- */
/** \name Transform (GPencil Strokes Shrink/Fatten)
* \{ */
static void applyGPShrinkFatten(TransInfo *t, const int UNUSED(mval[2]))
{
float ratio;
int i;
char str[UI_MAX_DRAW_STR];
ratio = t->values[0];
transform_snap_increment(t, &ratio);
applyNumInput(&t->num, &ratio);
t->values_final[0] = ratio;
/* header print for NumInput */
if (hasNumInput(&t->num)) {
char c[NUM_STR_REP_LEN];
outputNumInput(&(t->num), c, &t->scene->unit);
BLI_snprintf(str, sizeof(str), TIP_("Shrink/Fatten: %s"), c);
}
else {
BLI_snprintf(str, sizeof(str), TIP_("Shrink/Fatten: %3f"), ratio);
}
bool recalc = false;
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
TransData *td = tc->data;
bGPdata *gpd = td->ob->data;
const bool is_curve_edit = (bool)GPENCIL_CURVE_EDIT_SESSIONS_ON(gpd);
/* Only recalculate data when in curve edit mode. */
if (is_curve_edit) {
recalc = true;
}
for (i = 0; i < tc->data_len; i++, td++) {
if (td->flag & TD_SKIP) {
continue;
}
if (td->val) {
*td->val = td->ival * ratio;
/* apply PET */
*td->val = (*td->val * td->factor) + ((1.0f - td->factor) * td->ival);
if (*td->val <= 0.0f) {
*td->val = 0.001f;
}
}
}
}
if (recalc) {
recalcData(t);
}
ED_area_status_text(t->area, str);
}
void initGPShrinkFatten(TransInfo *t)
{
t->mode = TFM_GPENCIL_SHRINKFATTEN;
t->transform = applyGPShrinkFatten;
initMouseInputMode(t, &t->mouse, INPUT_SPRING);
t->idx_max = 0;
t->num.idx_max = 0;
t->snap[0] = 0.1f;
t->snap[1] = t->snap[0] * 0.1f;
copy_v3_fl(t->num.val_inc, t->snap[0]);
t->num.unit_sys = t->scene->unit.system;
t->num.unit_type[0] = B_UNIT_NONE;
#ifdef USE_NUM_NO_ZERO
t->num.val_flag[0] |= NUM_NO_ZERO;
#endif
t->flag |= T_NO_CONSTRAINT;
}
/** \} */
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